Alternator BORG & BECK BBA2421 OE Ref 0131540002

Key Specification:
  • EAN: 5055807751735
  • Voltage [V]: 12
  • Manufacturer Restriction: BOSCH
  • OEM Reference number: 0121549902
  • Supplementary Info: Alternator
Sale
£ 319.00
£ 265.45 excl. VAT
Out of stock
SKU:BORG & BECK BBA2421
BrandBORG & BECK
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EAN
5055807751735
Voltage [V]
12
Manufacturer Restriction
BOSCH
OEM Reference number
0121549902
Supplementary Info
Alternator
Connector Shape
D Shape
Number of ribs
6
Rotation Direction
Clockwise rotation
Pulleys
with freewheel belt pulley
Plug Type ID
COM-DFM-B+
Belt Pulley [mm]
50
Alternator Charging Current [A]
200

Alternator BORG & BECK OE Ref 0131540002 – BORG & BECK – OEM 0121549902

This part from BORG & BECK is designed as a direct replacement for OEM reference 0121549902. Manufactured to meet original equipment standards, it is suitable for selected MERCEDES-BENZ vehicles and intended to restore correct system operation.

It is supplied under manufacturer reference BBA2421 with EAN EAN: 5055807751735, allowing accurate identification and compatibility checks. This component is commonly used to replace worn, damaged, or faulty units where reliable performance is required.

The product is intended as a like-for-like replacement and should be installed according to manufacturer guidelines. Depending on vehicle design and component location, professional installation may be recommended.

Why Choose This Part?

  • Direct replacement for OEM reference 0121549902
  • Manufactured by BORG & BECK
  • Clearly identified by SKU BBA2421 and EAN EAN: 5055807751735
  • Covered by our standard returns policy

Vehicle Compatibility

Compatible with selected MERCEDES-BENZ models. Please confirm fitment using OEM reference 0121549902 or our vehicle registration lookup tool before ordering.

Looking for alternatives? Browse our full range of Electrics parts to find the correct option for your vehicle.

Reference number(s) comparable with the original spare part number
OE reference number(s) comparable with the original spare part number
  1. Berry
    12 Nov, 2025
    elderly car so really pleased that the part could be supplied :-) Correct part arrived swiftly - excellent - thank you
  2. Edward & Susan
    20 OCT, 2025
    These guys were real helpful when I was looking for an EGR valve. Great communications and fast delivery, the valve did exactly as It was meant to do and it was a lot cheaper than everywhere else I looked. I'll be using eAuto Parts again. Top banana.
  3. Charlie
    27 AUG, 2025
    eAuto Parts made me happy because it only took 2 minutes to order the part and at a very good price, also very quick delivery, will definitely deal with them again.
  4. Adam Taylor
    12 May, 2025
    Quick enquiry response, easy buying and quick delivery. Quality of goods was good and fitted with no problem (Suzuki bonnet hinges.) recommended.
  5. Helena Garcia
    2 January, 2025
    The correct part was rapidly identified and located, and was despatched promply to my chosen repairer in time for the work to be done on schedule. Very pleased with the service and will be using eAuto Parts again.